import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '@/components/Login'
import Home from '@/components/Home'
import MyLine from '@/components/MyLine'
import MyTask from '@/components/MyTask'
import MyRecord from '@/components/MyRecord'
import MyStatistics from '@/components/MyStatistics'

Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'
  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/myline',
    children: [
      {
        path: '/myline',
        component: MyLine
      },
      {
        path: '/mytask',
        component: MyTask
      },
      {
        path: '/myrecord',
        component: MyRecord
      },
      {
        path: '/mystatistics',
        component: MyStatistics
      }
    ]
  }
]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来的
  // next 是一个函数 表示放行
  if (to.path === '/login') return next()
  // 获取token
  const tokenval = window.sessionStorage.getItem('token')
  if (!tokenval) return next('/login')
  else next()
})

export default router
